## How do you find the dilation with scale factor?

The scale factor can either increase the size of an object or decrease the size of an object. The basic formula to find the scale factor of a dilated figure is: Scale factor = Dimension of the new shape ÷ Dimension of the original shape.

### How do you do a dilation with a scale factor of 3?

Perform a Dilation of 3 on point A (2, 1) which you can see in the graph below. Multiply the coordinates of the original point (2, 1), called the image, by 3. Image’s coordinates = (2 * 3, 1 * 3) to get the coordinates of the image (6, 3).

#### How do you dilate by a scale factor of 2?

To dilate the figure by a factor of 2, I will multiply the x and y-value of each point by 2. I plotted all the new points to find the new triangle. To dilate the figure by a factor of 2, I will multiply the x-value of each point by 2.

What is a scale factor of 3?

A scale factor of 3 means that the new shape is three times the size of the original.

What is the rule for dilations?

When a dilation in the coordinate plane has the origin as the center of dilation, you can find points on the dilated image by multiplying the x- and y-coordinates of the original figure by the scale factor. For scale factor k, the algebraic representation of the dilation is (x, y) → (kx, ky). For enlargements, k > 1.

## What is a dilation with a scale factor of 2?

Dilation Scale Factor 2: If the scale factor is 2, then every coordinate point of the original triangle is multiplied by the scale factor 2. Therefore, the dilated triangle will be A’B’C’ and the coordinate points obtained are A'(0, 4), B'(4, 2), C'(-4, -4).

### What is a dilation in math?

A dilation (similarity transformation) is a transformation that changes the size of a figure. It requires a center point and a scale factor , k . The value of k determines whether the dilation is an enlargement or a reduction.

#### What is a scale factor example?

A scale factor is a number which multiplies (“scales”) a quantity. For example,the “C” in y = Cx is the scale factor for x. If the equation were y = 5x, then the factor would be 5.

What’s a scale factor?

The scale factor is a measure for similar figures, who look the same but have different scales or measures. Suppose, two circle looks similar but they could have varying radii. The scale factor states the scale by which a figure is bigger or smaller than the original figure.

What does a fractional scale factor mean?

Therefore, a scale factor of means that the side-lengths of the new shape are half the side-lengths of the original. When the scale factor is fractional and the shape decreases in size, we still call it an enlargement.

## How do you dilate a 1 3?

You must observe the distances from the center of the dilation at point A to the other points B, C and D. The dilation image will be 1/3 of each of these distances. AB = 6, so A’B’ = 2. AD = 9, so A’D’ = 3….

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